Item Dielectric Nipple Application Water Finish/Coating Zinc-Plated Fitting Compatibility Schedule 40 Liner Material Polyethylene Maximum Operating Pressure 150 psi @ 200 Degrees F Maximum Operating Temperature 230 Degrees F Metal Pipe Construction Welded Minimum Operating Temperature 32 Degrees F Nominal Pipe Size 3 1/2 in Outside Diameter 4 in Overall Length 6 in Pipe Material Steel Pipe Weld Type Electric Resistance Weld Schedule Schedule 40 Side A Connection Type Threaded